Analysis

  • max time kernel
    136s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/04/2024, 16:10

General

  • Target

    llllllllllllllllllllllllllllllll.exe

  • Size

    37KB

  • MD5

    e3a969b6c2dd0cea41858f823da862fb

  • SHA1

    b7791b79d9c97653bca2b7e18d1c3e871002c8d3

  • SHA256

    509ee57050cc2db5c0a5f6ac7ba61f33fa4079b23281c056a236a8f4e47316b0

  • SHA512

    598011b348f038c14197e7aca1fecce4f6ea76fce3ba2c6a457f8a31bb72ba78620c19c5c196165b717e279f1347f43de58f724fac68ac6268fc5ec2ac2deb2c

  • SSDEEP

    768:UXX1qlm/G4iHEq5uvg8lmc3qJy1UraNcgLFyS9f/sOjhYPyl:UVqlX20W8iU2NFFf9fkOjqk

Malware Config

Extracted

Family

xworm

Version

5.0

C2

62.233.57.44:1488

Mutex

vpqd72LWSwYhw59x

Attributes
  • Install_directory

    %AppData%

  • install_file

    svchost.exe

aes.plain

Signatures

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\llllllllllllllllllllllllllllllll.exe
    "C:\Users\Admin\AppData\Local\Temp\llllllllllllllllllllllllllllllll.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    PID:2060

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2060-0-0x00000000008E0000-0x00000000008F0000-memory.dmp

    Filesize

    64KB

  • memory/2060-1-0x00007FFAE6EB0000-0x00007FFAE7971000-memory.dmp

    Filesize

    10.8MB

  • memory/2060-2-0x0000000002B30000-0x0000000002B40000-memory.dmp

    Filesize

    64KB

  • memory/2060-7-0x00007FFAE6EB0000-0x00007FFAE7971000-memory.dmp

    Filesize

    10.8MB

  • memory/2060-8-0x0000000002B30000-0x0000000002B40000-memory.dmp

    Filesize

    64KB